Upgrade to PHP4.3.9 in RH 7.2

Hi,
i have one RH 7.2 and i´m using (all rpm):
php-ldap-4.1.2-7.2.4
php-imap-4.1.2-7.2.4
php-mysql-4.1.2-7.2.4
php-4.1.2-7.2.4
mysql-3.23.41-1
mysql-devel-3.23.41-1
mysqlclient9-3.23.22-6
mysql-server-3.23.41-1
and
PHPMYADMIN (compiled)

Now i have to migrate to 4.3.9 PHP version and RH 7.2 does not have upgrade 
anymore. Anyone knows how can i do it?

Thanks in advance,
Mauricio.

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